Variable length dynamic arrays in Java

Question

Can anyone tell me how to dynamically size the array as the program executes in Java? 

Answer 1

Yes, you can use ArrayList. It’ll allocate the size dynamically as per the run time. You’ve to import ArrayList from ‘import java.util.ArrayList;’

Below is the code implementation of ArrayList creation: 

ArrayList<int> numbers = new ArrayList<int>(); 

numbers.add(“1”);

numbers.add(“2”);

numbers.add(“3);

System.out.println(numbers);

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